Nom du GPU | Heathrow | Haswell GT3e |
---|---|---|
GPU variant | Heathrow PRO | — |
Architecture | GCN 1.0 | Generation 7.5 |
Fonderie | TSMC | Intel |
Taille du processus | 28 nm | 22 nm |
Transistors | 1,500 million | unknown |
Taille des matrices | 123 mm² | unknown |
Date de publication | Apr 24th, 2012 | — |
---|---|---|
Génération | London (HD 7800M) | — |
Production | End-of-life | — |
Bus interface | PCIe 3.0 x16 | — |
Prédécesseur | Vancouver | — |
Successeur | Solar System | — |
GPU clock | 675 MHz | — |
---|---|---|
Mémoire clock | 1000 MHz 4 Gbps effective | System Shared |
Base clock | — | 200 MHz |
Boost clock | — | 1150 MHz |
Taille de la mémoire | 2 GB | System Shared |
---|---|---|
Type de mémoire | GDDR5 | System Shared |
Bus mémoire | 128 bit | System Shared |
Bande passante | 64.00 GB/s | System Dependent |
Shading units | 640 | 320 |
---|---|---|
TMUs | 40 | 40 |
ROPs | 16 | 4 |
Compute units | 10 | — |
Cache L1 | 16 KB (per CU) | — |
Cache L2 | 256 KB | — |
Unités d'exécution | — | 40 |
Taux de pixel | 10.80 GPixel/s | 4.600 GPixel/s |
---|---|---|
Taux de texture | 27.00 GTexel/s | 46.00 GTexel/s |
FP32 (float) performance | 864.0 GFLOPS | 736.0 GFLOPS |
FP64 (double) performance | 54.00 GFLOPS (1:16) | 184.0 GFLOPS (1:4) |
TDP | 40 W | 45 W |
---|---|---|
Sorties | No outputs | No outputs |
Taille Slot | — | IGP |
DirectX | 12 (11_1) | 12 (11_1) |
---|---|---|
OpenGL | 4.6 | 4.3 |
OpenCL | 1.2 | 1.2 |
Vulkan | 1.2 | 1.0 |
Shader model | 5.1 | 5.1 |
Date de publication | — | Jun 3rd, 2013 |
---|---|---|
Génération | — | HD Graphics (Haswell) |
Production | — | End-of-life |
Bus interface | — | Ring Bus |
Critiques | — | 1 in our database |